The team at Steel T Heating & Air Conditioning is highly qualified, knowledgeable, and efficient when it comes to indoor air quality solutions in Littleton, Lakewood, Centennial, Highlands Ranch & Englewood, CO. The quality of your indoor air can have a significant impact on your health, energy bills, and comfort. We offer air filters, air purifiers, and humidifiers based on your specific needs and desires. As a Carrier Factory Authorized Dealer, we are able to provide superior products, as well as installation, maintenance, and repair services. With reliable service and air quality systems, you’ll be able to enjoy your home while also saving money and improving your health. Give us a call today to learn more and we’ll help you determine the best system for you!
Having a company take care of all your heating and cooling needs shouldn’t indicate that you’re stuck with any ordinary shop who cuts corners. Heating and cooling has been our excitement since 1967, and it’s apparent in the work we offer to our customers. We’re committed to offering you the very best when it comes to all things HVAC, whether it’s service, maintenance or heating and cooling systems.

Bonney’s NATE certified technicians will troubleshoot and repair your furnace for safe and reliable operation. Our technicians use state of the art tools including video inspection cameras and exhaust gas analyzers to perform thorough, comprehensive diagnostics when equipment is broken. Furthermore, we arrive in a “warehouse on wheels” stocked with many parts to get your furnace repaired as quickly as possible.  For an unexpected heater repair Bonney offers financing to make your comfort affordable.


In December of 2004 Greenwood was sold again to Michael Porter, this time going back to its Puget Sound roots… owned by a local Seattle resident. Michael Porter, a West Seattle resident and a life-long Seattle native. He is committed to complete customer satisfaction and has a mission to be ‘The Most Trusted HVAC Company in the Puget Sound area’. To become the best heating contractor in Seattle and the Eastside he knows he must be able to provide the Highest Quality and most energy efficient Air Conditioning and Heating products on the market. But there is so much more to being the best. Greenwood Heating is also your local expert when it comes to endless hot water systems, they are also your Indoor Air Quality experts with a full product line of air cleaning products.
Cleaning the debris that builds up on your filters will aid with the flow of air. When your air filter is clogged, your air handler must work harder to compensate for the blockage of air flow. In addition to driving up your utility bill, the reduced air flow through your heating and cooling system can cause your heat exchanger to overheat and shut off too quickly.    
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